DH

Donald R. Hartry

RE Remo: 7 patents #3 of 25Top 15%
📍 Tustin, CA: #231 of 1,327 inventorsTop 20%
🗺 California: #82,707 of 386,348 inventorsTop 25%
Overall (All Time): #769,665 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
4589323 Drum muffler Remo D. Belli 1986-05-20
4549462 Apparatus and method for mounting a head on a musical instrument and a method of drum construction Remo D. Belli 1985-10-29
4469001 Method of forming a non-tunable head 1984-09-04
4416181 Pretuned head for drum or the like Remo D. Belli 1983-11-22
4362081 Laminated head of plastic sheet material and nonimpregnated synthetic woven fabric material 1982-12-07
4356756 Method of forming a non-tunable head 1982-11-02
4308782 Laminated head of plastic sheet material and a synthetic fabric material having random fiber orientation 1982-01-05